50 ILCS 205/6
For those agencies comprising counties of 3,000,000 or more inhabitants or located in or coterminous with any such county or a majority of whose inhabitants reside in any such county, this Act shall be administered by a Local Records Commission consisting of the president of the county board of the county wherein the records are kept, the mayor of the most populous city in such county, the State's attorney of such county, the County comptroller, the State archivist, and the Executive Director of the Abraham Lincoln Presidential Library and Museum . The president of the county board shall be the chairman of the Commission.
For all other agencies, this Act shall be administered by a Local Records Commission consisting of a chairman of a county board, who shall be chairman of the Commission, a mayor or president of a city, village or incorporated town, a county auditor, and a State's attorney, all of whom shall be appointed by the Governor, the State archivist, and the Executive Director of the Abraham Lincoln Presidential Library and Museum .
A member of either Commission may designate a substitute.
Either Commission may employ such technical, professional and clerical assistants as are necessary.
Either Commission shall meet upon call of its chairman.
50 ILCS 205/6